blob: 3f3e122db382c4bf4b701bd9cf3c2a41eeeaf694 [file] [log] [blame]
/*
* Copyright (C) 2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(GRAPHICS_CONTEXT_GL)
#include "GraphicsContextGLAttributes.h"
#include "GraphicsTypesGL.h"
#include "Image.h"
#include "IntRect.h"
#include "IntSize.h"
#include "PlatformLayer.h"
#include <wtf/RefCounted.h>
#include <wtf/text/WTFString.h>
#if OS(WINDOWS)
// Defined in winerror.h
#ifdef NO_ERROR
#undef NO_ERROR
#endif
#endif
typedef void* PlatformGraphicsContextGL;
typedef void* PlatformGraphicsContextGLDisplay;
typedef void* PlatformGraphicsContextGLSurface;
typedef void* PlatformGraphicsContextGLConfig;
namespace WebCore {
class ExtensionsGL;
class HostWindow;
class ImageBuffer;
class ImageData;
class GraphicsContextGL : public RefCounted<GraphicsContextGL> {
public:
enum {
// WebGL 1 constants.
DEPTH_BUFFER_BIT = 0x00000100,
STENCIL_BUFFER_BIT = 0x00000400,
COLOR_BUFFER_BIT = 0x00004000,
POINTS = 0x0000,
LINES = 0x0001,
LINE_LOOP = 0x0002,
LINE_STRIP = 0x0003,
TRIANGLES = 0x0004,
TRIANGLE_STRIP = 0x0005,
TRIANGLE_FAN = 0x0006,
ZERO = 0,
ONE = 1,
SRC_COLOR = 0x0300,
ONE_MINUS_SRC_COLOR = 0x0301,
SRC_ALPHA = 0x0302,
ONE_MINUS_SRC_ALPHA = 0x0303,
DST_ALPHA = 0x0304,
ONE_MINUS_DST_ALPHA = 0x0305,
DST_COLOR = 0x0306,
ONE_MINUS_DST_COLOR = 0x0307,
SRC_ALPHA_SATURATE = 0x0308,
FUNC_ADD = 0x8006,
BLEND_EQUATION = 0x8009,
BLEND_EQUATION_RGB = 0x8009,
BLEND_EQUATION_ALPHA = 0x883D,
FUNC_SUBTRACT = 0x800A,
FUNC_REVERSE_SUBTRACT = 0x800B,
BLEND_DST_RGB = 0x80C8,
BLEND_SRC_RGB = 0x80C9,
BLEND_DST_ALPHA = 0x80CA,
BLEND_SRC_ALPHA = 0x80CB,
CONSTANT_COLOR = 0x8001,
ONE_MINUS_CONSTANT_COLOR = 0x8002,
CONSTANT_ALPHA = 0x8003,
ONE_MINUS_CONSTANT_ALPHA = 0x8004,
BLEND_COLOR = 0x8005,
ARRAY_BUFFER = 0x8892,
ELEMENT_ARRAY_BUFFER = 0x8893,
ARRAY_BUFFER_BINDING = 0x8894,
ELEMENT_ARRAY_BUFFER_BINDING = 0x8895,
STREAM_DRAW = 0x88E0,
STATIC_DRAW = 0x88E4,
DYNAMIC_DRAW = 0x88E8,
BUFFER_SIZE = 0x8764,
BUFFER_USAGE = 0x8765,
CURRENT_VERTEX_ATTRIB = 0x8626,
FRONT = 0x0404,
BACK = 0x0405,
FRONT_AND_BACK = 0x0408,
TEXTURE_2D = 0x0DE1,
CULL_FACE = 0x0B44,
BLEND = 0x0BE2,
DITHER = 0x0BD0,
STENCIL_TEST = 0x0B90,
DEPTH_TEST = 0x0B71,
SCISSOR_TEST = 0x0C11,
POLYGON_OFFSET_FILL = 0x8037,
SAMPLE_ALPHA_TO_COVERAGE = 0x809E,
SAMPLE_COVERAGE = 0x80A0,
NO_ERROR = 0,
INVALID_ENUM = 0x0500,
INVALID_VALUE = 0x0501,
INVALID_OPERATION = 0x0502,
OUT_OF_MEMORY = 0x0505,
CW = 0x0900,
CCW = 0x0901,
LINE_WIDTH = 0x0B21,
ALIASED_POINT_SIZE_RANGE = 0x846D,
ALIASED_LINE_WIDTH_RANGE = 0x846E,
CULL_FACE_MODE = 0x0B45,
FRONT_FACE = 0x0B46,
DEPTH_RANGE = 0x0B70,
DEPTH_WRITEMASK = 0x0B72,
DEPTH_CLEAR_VALUE = 0x0B73,
DEPTH_FUNC = 0x0B74,
STENCIL_CLEAR_VALUE = 0x0B91,
STENCIL_FUNC = 0x0B92,
STENCIL_FAIL = 0x0B94,
STENCIL_PASS_DEPTH_FAIL = 0x0B95,
STENCIL_PASS_DEPTH_PASS = 0x0B96,
STENCIL_REF = 0x0B97,
STENCIL_VALUE_MASK = 0x0B93,
STENCIL_WRITEMASK = 0x0B98,
STENCIL_BACK_FUNC = 0x8800,
STENCIL_BACK_FAIL = 0x8801,
STENCIL_BACK_PASS_DEPTH_FAIL = 0x8802,
STENCIL_BACK_PASS_DEPTH_PASS = 0x8803,
STENCIL_BACK_REF = 0x8CA3,
STENCIL_BACK_VALUE_MASK = 0x8CA4,
STENCIL_BACK_WRITEMASK = 0x8CA5,
VIEWPORT = 0x0BA2,
SCISSOR_BOX = 0x0C10,
COLOR_CLEAR_VALUE = 0x0C22,
COLOR_WRITEMASK = 0x0C23,
UNPACK_ALIGNMENT = 0x0CF5,
PACK_ALIGNMENT = 0x0D05,
MAX_TEXTURE_SIZE = 0x0D33,
MAX_VIEWPORT_DIMS = 0x0D3A,
SUBPIXEL_BITS = 0x0D50,
RED_BITS = 0x0D52,
GREEN_BITS = 0x0D53,
BLUE_BITS = 0x0D54,
ALPHA_BITS = 0x0D55,
DEPTH_BITS = 0x0D56,
STENCIL_BITS = 0x0D57,
POLYGON_OFFSET_UNITS = 0x2A00,
POLYGON_OFFSET_FACTOR = 0x8038,
TEXTURE_BINDING_2D = 0x8069,
SAMPLE_BUFFERS = 0x80A8,
SAMPLES = 0x80A9,
SAMPLE_COVERAGE_VALUE = 0x80AA,
SAMPLE_COVERAGE_INVERT = 0x80AB,
NUM_COMPRESSED_TEXTURE_FORMATS = 0x86A2,
COMPRESSED_TEXTURE_FORMATS = 0x86A3,
DONT_CARE = 0x1100,
FASTEST = 0x1101,
NICEST = 0x1102,
GENERATE_MIPMAP_HINT = 0x8192,
BYTE = 0x1400,
UNSIGNED_BYTE = 0x1401,
SHORT = 0x1402,
UNSIGNED_SHORT = 0x1403,
INT = 0x1404,
UNSIGNED_INT = 0x1405,
FLOAT = 0x1406,
HALF_FLOAT_OES = 0x8D61,
FIXED = 0x140C,
DEPTH_COMPONENT = 0x1902,
ALPHA = 0x1906,
RGB = 0x1907,
RGBA = 0x1908,
BGRA = 0x80E1,
LUMINANCE = 0x1909,
LUMINANCE_ALPHA = 0x190A,
UNSIGNED_SHORT_4_4_4_4 = 0x8033,
UNSIGNED_SHORT_5_5_5_1 = 0x8034,
UNSIGNED_SHORT_5_6_5 = 0x8363,
FRAGMENT_SHADER = 0x8B30,
VERTEX_SHADER = 0x8B31,
MAX_VERTEX_ATTRIBS = 0x8869,
MAX_VERTEX_UNIFORM_VECTORS = 0x8DFB,
MAX_VARYING_VECTORS = 0x8DFC,
MAX_COMBINED_TEXTURE_IMAGE_UNITS = 0x8B4D,
MAX_VERTEX_TEXTURE_IMAGE_UNITS = 0x8B4C,
MAX_TEXTURE_IMAGE_UNITS = 0x8872,
MAX_FRAGMENT_UNIFORM_VECTORS = 0x8DFD,
SHADER_TYPE = 0x8B4F,
DELETE_STATUS = 0x8B80,
LINK_STATUS = 0x8B82,
VALIDATE_STATUS = 0x8B83,
ATTACHED_SHADERS = 0x8B85,
ACTIVE_UNIFORMS = 0x8B86,
ACTIVE_UNIFORM_MAX_LENGTH = 0x8B87,
ACTIVE_ATTRIBUTES = 0x8B89,
ACTIVE_ATTRIBUTE_MAX_LENGTH = 0x8B8A,
SHADING_LANGUAGE_VERSION = 0x8B8C,
CURRENT_PROGRAM = 0x8B8D,
NEVER = 0x0200,
LESS = 0x0201,
EQUAL = 0x0202,
LEQUAL = 0x0203,
GREATER = 0x0204,
NOTEQUAL = 0x0205,
GEQUAL = 0x0206,
ALWAYS = 0x0207,
KEEP = 0x1E00,
REPLACE = 0x1E01,
INCR = 0x1E02,
DECR = 0x1E03,
INVERT = 0x150A,
INCR_WRAP = 0x8507,
DECR_WRAP = 0x8508,
VENDOR = 0x1F00,
RENDERER = 0x1F01,
VERSION = 0x1F02,
EXTENSIONS = 0x1F03,
NEAREST = 0x2600,
LINEAR = 0x2601,
NEAREST_MIPMAP_NEAREST = 0x2700,
LINEAR_MIPMAP_NEAREST = 0x2701,
NEAREST_MIPMAP_LINEAR = 0x2702,
LINEAR_MIPMAP_LINEAR = 0x2703,
TEXTURE_MAG_FILTER = 0x2800,
TEXTURE_MIN_FILTER = 0x2801,
TEXTURE_WRAP_S = 0x2802,
TEXTURE_WRAP_T = 0x2803,
TEXTURE = 0x1702,
TEXTURE_CUBE_MAP = 0x8513,
TEXTURE_BINDING_CUBE_MAP = 0x8514,
TEXTURE_CUBE_MAP_POSITIVE_X = 0x8515,
TEXTURE_CUBE_MAP_NEGATIVE_X = 0x8516,
TEXTURE_CUBE_MAP_POSITIVE_Y = 0x8517,
TEXTURE_CUBE_MAP_NEGATIVE_Y = 0x8518,
TEXTURE_CUBE_MAP_POSITIVE_Z = 0x8519,
TEXTURE_CUBE_MAP_NEGATIVE_Z = 0x851A,
MAX_CUBE_MAP_TEXTURE_SIZE = 0x851C,
TEXTURE0 = 0x84C0,
TEXTURE1 = 0x84C1,
TEXTURE2 = 0x84C2,
TEXTURE3 = 0x84C3,
TEXTURE4 = 0x84C4,
TEXTURE5 = 0x84C5,
TEXTURE6 = 0x84C6,
TEXTURE7 = 0x84C7,
TEXTURE8 = 0x84C8,
TEXTURE9 = 0x84C9,
TEXTURE10 = 0x84CA,
TEXTURE11 = 0x84CB,
TEXTURE12 = 0x84CC,
TEXTURE13 = 0x84CD,
TEXTURE14 = 0x84CE,
TEXTURE15 = 0x84CF,
TEXTURE16 = 0x84D0,
TEXTURE17 = 0x84D1,
TEXTURE18 = 0x84D2,
TEXTURE19 = 0x84D3,
TEXTURE20 = 0x84D4,
TEXTURE21 = 0x84D5,
TEXTURE22 = 0x84D6,
TEXTURE23 = 0x84D7,
TEXTURE24 = 0x84D8,
TEXTURE25 = 0x84D9,
TEXTURE26 = 0x84DA,
TEXTURE27 = 0x84DB,
TEXTURE28 = 0x84DC,
TEXTURE29 = 0x84DD,
TEXTURE30 = 0x84DE,
TEXTURE31 = 0x84DF,
ACTIVE_TEXTURE = 0x84E0,
REPEAT = 0x2901,
CLAMP_TO_EDGE = 0x812F,
MIRRORED_REPEAT = 0x8370,
FLOAT_VEC2 = 0x8B50,
FLOAT_VEC3 = 0x8B51,
FLOAT_VEC4 = 0x8B52,
INT_VEC2 = 0x8B53,
INT_VEC3 = 0x8B54,
INT_VEC4 = 0x8B55,
BOOL = 0x8B56,
BOOL_VEC2 = 0x8B57,
BOOL_VEC3 = 0x8B58,
BOOL_VEC4 = 0x8B59,
FLOAT_MAT2 = 0x8B5A,
FLOAT_MAT3 = 0x8B5B,
FLOAT_MAT4 = 0x8B5C,
SAMPLER_2D = 0x8B5E,
SAMPLER_CUBE = 0x8B60,
VERTEX_ATTRIB_ARRAY_ENABLED = 0x8622,
VERTEX_ATTRIB_ARRAY_SIZE = 0x8623,
VERTEX_ATTRIB_ARRAY_STRIDE = 0x8624,
VERTEX_ATTRIB_ARRAY_TYPE = 0x8625,
VERTEX_ATTRIB_ARRAY_NORMALIZED = 0x886A,
VERTEX_ATTRIB_ARRAY_POINTER = 0x8645,
VERTEX_ATTRIB_ARRAY_BUFFER_BINDING = 0x889F,
IMPLEMENTATION_COLOR_READ_TYPE = 0x8B9A,
IMPLEMENTATION_COLOR_READ_FORMAT = 0x8B9B,
COMPILE_STATUS = 0x8B81,
INFO_LOG_LENGTH = 0x8B84,
SHADER_SOURCE_LENGTH = 0x8B88,
SHADER_COMPILER = 0x8DFA,
SHADER_BINARY_FORMATS = 0x8DF8,
NUM_SHADER_BINARY_FORMATS = 0x8DF9,
LOW_FLOAT = 0x8DF0,
MEDIUM_FLOAT = 0x8DF1,
HIGH_FLOAT = 0x8DF2,
LOW_INT = 0x8DF3,
MEDIUM_INT = 0x8DF4,
HIGH_INT = 0x8DF5,
FRAMEBUFFER = 0x8D40,
RENDERBUFFER = 0x8D41,
RGBA4 = 0x8056,
RGB5_A1 = 0x8057,
RGB565 = 0x8D62,
DEPTH_COMPONENT16 = 0x81A5,
STENCIL_INDEX = 0x1901,
STENCIL_INDEX8 = 0x8D48,
RENDERBUFFER_WIDTH = 0x8D42,
RENDERBUFFER_HEIGHT = 0x8D43,
RENDERBUFFER_INTERNAL_FORMAT = 0x8D44,
RENDERBUFFER_RED_SIZE = 0x8D50,
RENDERBUFFER_GREEN_SIZE = 0x8D51,
RENDERBUFFER_BLUE_SIZE = 0x8D52,
RENDERBUFFER_ALPHA_SIZE = 0x8D53,
RENDERBUFFER_DEPTH_SIZE = 0x8D54,
RENDERBUFFER_STENCIL_SIZE = 0x8D55,
FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE = 0x8CD0,
FRAMEBUFFER_ATTACHMENT_OBJECT_NAME = 0x8CD1,
FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL = 0x8CD2,
FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE = 0x8CD3,
COLOR_ATTACHMENT0 = 0x8CE0,
DEPTH_ATTACHMENT = 0x8D00,
STENCIL_ATTACHMENT = 0x8D20,
NONE = 0,
FRAMEBUFFER_COMPLETE = 0x8CD5,
FRAMEBUFFER_INCOMPLETE_ATTACHMENT = 0x8CD6,
FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT = 0x8CD7,
FRAMEBUFFER_INCOMPLETE_DIMENSIONS = 0x8CD9,
FRAMEBUFFER_UNSUPPORTED = 0x8CDD,
FRAMEBUFFER_BINDING = 0x8CA6,
RENDERBUFFER_BINDING = 0x8CA7,
MAX_RENDERBUFFER_SIZE = 0x84E8,
INVALID_FRAMEBUFFER_OPERATION = 0x0506,
// WebGL-specific enums
UNPACK_FLIP_Y_WEBGL = 0x9240,
UNPACK_PREMULTIPLY_ALPHA_WEBGL = 0x9241,
CONTEXT_LOST_WEBGL = 0x9242,
UNPACK_COLORSPACE_CONVERSION_WEBGL = 0x9243,
BROWSER_DEFAULT_WEBGL = 0x9244,
VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE = 0x88FE,
// WebGL2 constants
READ_BUFFER = 0x0C02,
UNPACK_ROW_LENGTH = 0x0CF2,
UNPACK_SKIP_ROWS = 0x0CF3,
UNPACK_SKIP_PIXELS = 0x0CF4,
PACK_ROW_LENGTH = 0x0D02,
PACK_SKIP_ROWS = 0x0D03,
PACK_SKIP_PIXELS = 0x0D04,
COLOR = 0x1800,
DEPTH = 0x1801,
STENCIL = 0x1802,
RED = 0x1903,
RGB8 = 0x8051,
RGBA8 = 0x8058,
RGB10_A2 = 0x8059,
TEXTURE_BINDING_3D = 0x806A,
UNPACK_SKIP_IMAGES = 0x806D,
UNPACK_IMAGE_HEIGHT = 0x806E,
TEXTURE_3D = 0x806F,
TEXTURE_WRAP_R = 0x8072,
MAX_3D_TEXTURE_SIZE = 0x8073,
UNSIGNED_INT_2_10_10_10_REV = 0x8368,
MAX_ELEMENTS_VERTICES = 0x80E8,
MAX_ELEMENTS_INDICES = 0x80E9,
TEXTURE_MIN_LOD = 0x813A,
TEXTURE_MAX_LOD = 0x813B,
TEXTURE_BASE_LEVEL = 0x813C,
TEXTURE_MAX_LEVEL = 0x813D,
MIN = 0x8007,
MAX = 0x8008,
DEPTH_COMPONENT24 = 0x81A6,
MAX_TEXTURE_LOD_BIAS = 0x84FD,
TEXTURE_COMPARE_MODE = 0x884C,
TEXTURE_COMPARE_FUNC = 0x884D,
CURRENT_QUERY = 0x8865,
QUERY_RESULT = 0x8866,
QUERY_RESULT_AVAILABLE = 0x8867,
STREAM_READ = 0x88E1,
STREAM_COPY = 0x88E2,
STATIC_READ = 0x88E5,
STATIC_COPY = 0x88E6,
DYNAMIC_READ = 0x88E9,
DYNAMIC_COPY = 0x88EA,
MAX_DRAW_BUFFERS = 0x8824,
DRAW_BUFFER0 = 0x8825,
DRAW_BUFFER1 = 0x8826,
DRAW_BUFFER2 = 0x8827,
DRAW_BUFFER3 = 0x8828,
DRAW_BUFFER4 = 0x8829,
DRAW_BUFFER5 = 0x882A,
DRAW_BUFFER6 = 0x882B,
DRAW_BUFFER7 = 0x882C,
DRAW_BUFFER8 = 0x882D,
DRAW_BUFFER9 = 0x882E,
DRAW_BUFFER10 = 0x882F,
DRAW_BUFFER11 = 0x8830,
DRAW_BUFFER12 = 0x8831,
DRAW_BUFFER13 = 0x8832,
DRAW_BUFFER14 = 0x8833,
DRAW_BUFFER15 = 0x8834,
MAX_FRAGMENT_UNIFORM_COMPONENTS = 0x8B49,
MAX_VERTEX_UNIFORM_COMPONENTS = 0x8B4A,
SAMPLER_3D = 0x8B5F,
SAMPLER_2D_SHADOW = 0x8B62,
FRAGMENT_SHADER_DERIVATIVE_HINT = 0x8B8B,
PIXEL_PACK_BUFFER = 0x88EB,
PIXEL_UNPACK_BUFFER = 0x88EC,
PIXEL_PACK_BUFFER_BINDING = 0x88ED,
PIXEL_UNPACK_BUFFER_BINDING = 0x88EF,
FLOAT_MAT2x3 = 0x8B65,
FLOAT_MAT2x4 = 0x8B66,
FLOAT_MAT3x2 = 0x8B67,
FLOAT_MAT3x4 = 0x8B68,
FLOAT_MAT4x2 = 0x8B69,
FLOAT_MAT4x3 = 0x8B6A,
SRGB = 0x8C40,
SRGB8 = 0x8C41,
SRGB_ALPHA = 0x8C42,
SRGB8_ALPHA8 = 0x8C43,
COMPARE_REF_TO_TEXTURE = 0x884E,
RGBA32F = 0x8814,
RGB32F = 0x8815,
RGBA16F = 0x881A,
RGB16F = 0x881B,
VERTEX_ATTRIB_ARRAY_INTEGER = 0x88FD,
MAX_ARRAY_TEXTURE_LAYERS = 0x88FF,
MIN_PROGRAM_TEXEL_OFFSET = 0x8904,
MAX_PROGRAM_TEXEL_OFFSET = 0x8905,
MAX_VARYING_COMPONENTS = 0x8B4B,
TEXTURE_2D_ARRAY = 0x8C1A,
TEXTURE_BINDING_2D_ARRAY = 0x8C1D,
R11F_G11F_B10F = 0x8C3A,
UNSIGNED_INT_10F_11F_11F_REV = 0x8C3B,
RGB9_E5 = 0x8C3D,
UNSIGNED_INT_5_9_9_9_REV = 0x8C3E,
TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH = 0x8C76,
TRANSFORM_FEEDBACK_BUFFER_MODE = 0x8C7F,
MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS = 0x8C80,
TRANSFORM_FEEDBACK_VARYINGS = 0x8C83,
TRANSFORM_FEEDBACK_BUFFER_START = 0x8C84,
TRANSFORM_FEEDBACK_BUFFER_SIZE = 0x8C85,
TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN = 0x8C88,
RASTERIZER_DISCARD = 0x8C89,
MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS = 0x8C8A,
MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS = 0x8C8B,
INTERLEAVED_ATTRIBS = 0x8C8C,
SEPARATE_ATTRIBS = 0x8C8D,
TRANSFORM_FEEDBACK_BUFFER = 0x8C8E,
TRANSFORM_FEEDBACK_BUFFER_BINDING = 0x8C8F,
RGBA32UI = 0x8D70,
RGB32UI = 0x8D71,
RGBA16UI = 0x8D76,
RGB16UI = 0x8D77,
RGBA8UI = 0x8D7C,
RGB8UI = 0x8D7D,
RGBA32I = 0x8D82,
RGB32I = 0x8D83,
RGBA16I = 0x8D88,
RGB16I = 0x8D89,
RGBA8I = 0x8D8E,
RGB8I = 0x8D8F,
RED_INTEGER = 0x8D94,
RGB_INTEGER = 0x8D98,
RGBA_INTEGER = 0x8D99,
SAMPLER_2D_ARRAY = 0x8DC1,
SAMPLER_2D_ARRAY_SHADOW = 0x8DC4,
SAMPLER_CUBE_SHADOW = 0x8DC5,
UNSIGNED_INT_VEC2 = 0x8DC6,
UNSIGNED_INT_VEC3 = 0x8DC7,
UNSIGNED_INT_VEC4 = 0x8DC8,
INT_SAMPLER_2D = 0x8DCA,
INT_SAMPLER_3D = 0x8DCB,
INT_SAMPLER_CUBE = 0x8DCC,
INT_SAMPLER_2D_ARRAY = 0x8DCF,
UNSIGNED_INT_SAMPLER_2D = 0x8DD2,
UNSIGNED_INT_SAMPLER_3D = 0x8DD3,
UNSIGNED_INT_SAMPLER_CUBE = 0x8DD4,
UNSIGNED_INT_SAMPLER_2D_ARRAY = 0x8DD7,
DEPTH_COMPONENT32F = 0x8CAC,
DEPTH32F_STENCIL8 = 0x8CAD,
FLOAT_32_UNSIGNED_INT_24_8_REV = 0x8DAD,
FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING = 0x8210,
FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE = 0x8211,
FRAMEBUFFER_ATTACHMENT_RED_SIZE = 0x8212,
FRAMEBUFFER_ATTACHMENT_GREEN_SIZE = 0x8213,
FRAMEBUFFER_ATTACHMENT_BLUE_SIZE = 0x8214,
FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE = 0x8215,
FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE = 0x8216,
FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE = 0x8217,
FRAMEBUFFER_DEFAULT = 0x8218,
DEPTH_STENCIL_ATTACHMENT = 0x821A,
DEPTH_STENCIL = 0x84F9,
UNSIGNED_INT_24_8 = 0x84FA,
DEPTH24_STENCIL8 = 0x88F0,
UNSIGNED_NORMALIZED = 0x8C17,
DRAW_FRAMEBUFFER_BINDING = 0x8CA6, /* Same as FRAMEBUFFER_BINDING */
READ_FRAMEBUFFER = 0x8CA8,
DRAW_FRAMEBUFFER = 0x8CA9,
READ_FRAMEBUFFER_BINDING = 0x8CAA,
RENDERBUFFER_SAMPLES = 0x8CAB,
FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER = 0x8CD4,
MAX_COLOR_ATTACHMENTS = 0x8CDF,
COLOR_ATTACHMENT1 = 0x8CE1,
COLOR_ATTACHMENT2 = 0x8CE2,
COLOR_ATTACHMENT3 = 0x8CE3,
COLOR_ATTACHMENT4 = 0x8CE4,
COLOR_ATTACHMENT5 = 0x8CE5,
COLOR_ATTACHMENT6 = 0x8CE6,
COLOR_ATTACHMENT7 = 0x8CE7,
COLOR_ATTACHMENT8 = 0x8CE8,
COLOR_ATTACHMENT9 = 0x8CE9,
COLOR_ATTACHMENT10 = 0x8CEA,
COLOR_ATTACHMENT11 = 0x8CEB,
COLOR_ATTACHMENT12 = 0x8CEC,
COLOR_ATTACHMENT13 = 0x8CED,
COLOR_ATTACHMENT14 = 0x8CEE,
COLOR_ATTACHMENT15 = 0x8CEF,
FRAMEBUFFER_INCOMPLETE_MULTISAMPLE = 0x8D56,
MAX_SAMPLES = 0x8D57,
HALF_FLOAT = 0x140B,
RG = 0x8227,
RG_INTEGER = 0x8228,
R8 = 0x8229,
RG8 = 0x822B,
R16F = 0x822D,
R32F = 0x822E,
RG16F = 0x822F,
RG32F = 0x8230,
R8I = 0x8231,
R8UI = 0x8232,
R16I = 0x8233,
R16UI = 0x8234,
R32I = 0x8235,
R32UI = 0x8236,
RG8I = 0x8237,
RG8UI = 0x8238,
RG16I = 0x8239,
RG16UI = 0x823A,
RG32I = 0x823B,
RG32UI = 0x823C,
VERTEX_ARRAY_BINDING = 0x85B5,
R8_SNORM = 0x8F94,
RG8_SNORM = 0x8F95,
RGB8_SNORM = 0x8F96,
RGBA8_SNORM = 0x8F97,
SIGNED_NORMALIZED = 0x8F9C,
COPY_READ_BUFFER = 0x8F36,
COPY_WRITE_BUFFER = 0x8F37,
COPY_READ_BUFFER_BINDING = 0x8F36, /* Same as COPY_READ_BUFFER */
COPY_WRITE_BUFFER_BINDING = 0x8F37, /* Same as COPY_WRITE_BUFFER */
UNIFORM_BUFFER = 0x8A11,
UNIFORM_BUFFER_BINDING = 0x8A28,
UNIFORM_BUFFER_START = 0x8A29,
UNIFORM_BUFFER_SIZE = 0x8A2A,
MAX_VERTEX_UNIFORM_BLOCKS = 0x8A2B,
MAX_FRAGMENT_UNIFORM_BLOCKS = 0x8A2D,
MAX_COMBINED_UNIFORM_BLOCKS = 0x8A2E,
MAX_UNIFORM_BUFFER_BINDINGS = 0x8A2F,
MAX_UNIFORM_BLOCK_SIZE = 0x8A30,
MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS = 0x8A31,
MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS = 0x8A33,
UNIFORM_BUFFER_OFFSET_ALIGNMENT = 0x8A34,
ACTIVE_UNIFORM_BLOCKS = 0x8A36,
UNIFORM_TYPE = 0x8A37,
UNIFORM_SIZE = 0x8A38,
UNIFORM_BLOCK_INDEX = 0x8A3A,
UNIFORM_OFFSET = 0x8A3B,
UNIFORM_ARRAY_STRIDE = 0x8A3C,
UNIFORM_MATRIX_STRIDE = 0x8A3D,
UNIFORM_IS_ROW_MAJOR = 0x8A3E,
UNIFORM_BLOCK_BINDING = 0x8A3F,
UNIFORM_BLOCK_DATA_SIZE = 0x8A40,
UNIFORM_BLOCK_ACTIVE_UNIFORMS = 0x8A42,
UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES = 0x8A43,
UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER = 0x8A44,
UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER = 0x8A46,
INVALID_INDEX = 0xFFFFFFFF,
MAX_VERTEX_OUTPUT_COMPONENTS = 0x9122,
MAX_FRAGMENT_INPUT_COMPONENTS = 0x9125,
MAX_SERVER_WAIT_TIMEOUT = 0x9111,
OBJECT_TYPE = 0x9112,
SYNC_CONDITION = 0x9113,
SYNC_STATUS = 0x9114,
SYNC_FLAGS = 0x9115,
SYNC_FENCE = 0x9116,
SYNC_GPU_COMMANDS_COMPLETE = 0x9117,
UNSIGNALED = 0x9118,
SIGNALED = 0x9119,
ALREADY_SIGNALED = 0x911A,
TIMEOUT_EXPIRED = 0x911B,
CONDITION_SATISFIED = 0x911C,
#if PLATFORM(WIN)
WAIT_FAILED_WIN = 0x911D,
#else
WAIT_FAILED = 0x911D,
#endif
SYNC_FLUSH_COMMANDS_BIT = 0x00000001,
VERTEX_ATTRIB_ARRAY_DIVISOR = 0x88FE,
ANY_SAMPLES_PASSED = 0x8C2F,
ANY_SAMPLES_PASSED_CONSERVATIVE = 0x8D6A,
SAMPLER_BINDING = 0x8919,
RGB10_A2UI = 0x906F,
TEXTURE_SWIZZLE_R = 0x8E42,
TEXTURE_SWIZZLE_G = 0x8E43,
TEXTURE_SWIZZLE_B = 0x8E44,
TEXTURE_SWIZZLE_A = 0x8E45,
GREEN = 0x1904,
BLUE = 0x1905,
INT_2_10_10_10_REV = 0x8D9F,
TRANSFORM_FEEDBACK = 0x8E22,
TRANSFORM_FEEDBACK_PAUSED = 0x8E23,
TRANSFORM_FEEDBACK_ACTIVE = 0x8E24,
TRANSFORM_FEEDBACK_BINDING = 0x8E25,
COMPRESSED_R11_EAC = 0x9270,
COMPRESSED_SIGNED_R11_EAC = 0x9271,
COMPRESSED_RG11_EAC = 0x9272,
COMPRESSED_SIGNED_RG11_EAC = 0x9273,
COMPRESSED_RGB8_ETC2 = 0x9274,
COMPRESSED_SRGB8_ETC2 = 0x9275,
COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 = 0x9276,
COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 = 0x9277,
COMPRESSED_RGBA8_ETC2_EAC = 0x9278,
COMPRESSED_SRGB8_ALPHA8_ETC2_EAC = 0x9279,
TEXTURE_IMMUTABLE_FORMAT = 0x912F,
MAX_ELEMENT_INDEX = 0x8D6B,
NUM_SAMPLE_COUNTS = 0x9380,
TEXTURE_IMMUTABLE_LEVELS = 0x82DF,
PRIMITIVE_RESTART_FIXED_INDEX = 0x8D69,
PRIMITIVE_RESTART = 0x8F9D,
// OpenGL ES 3 constants.
MAP_READ_BIT = 0x0001,
// WebGL-specific.
MAX_CLIENT_WAIT_TIMEOUT_WEBGL = 0x9247,
// Necessary desktop OpenGL constants.
TEXTURE_RECTANGLE_ARB = 0x84F5,
TEXTURE_BINDING_RECTANGLE_ARB = 0x84F6,
};
// Attempt to enumerate all possible native image formats to
// reduce the amount of temporary allocations during texture
// uploading. This enum must be public because it is accessed
// by non-member functions.
// "_S" postfix indicates signed type.
enum class DataFormat : uint8_t {
RGBA8 = 0,
RGBA8_S,
RGBA16,
RGBA16_S,
RGBA16Little, // CoreGraphics-specific source format.
RGBA16Big, // CoreGraphics-specific source format.
RGBA32,
RGBA32_S,
RGBA16F,
RGBA32F,
RGBA2_10_10_10,
RGB8,
RGB8_S,
RGB16,
RGB16_S,
RGB16Little, // CoreGraphics-specific source format.
RGB16Big, // CoreGraphics-specific source format.
RGB32,
RGB32_S,
RGB16F,
RGB32F,
BGR8,
BGRA8,
BGRA16Little, // CoreGraphics-specific source format.
BGRA16Big, // CoreGraphics-specific source format.
ARGB8,
ARGB16Little, // CoreGraphics-specific source format.
ARGB16Big, // CoreGraphics-specific source format.
ABGR8,
RGBA5551,
RGBA4444,
RGB565,
RGB10F11F11F,
RGB5999,
RG8,
RG8_S,
RG16,
RG16_S,
RG32,
RG32_S,
RG16F,
RG32F,
R8,
R8_S,
R16,
R16_S,
R16Little, // CoreGraphics-specific source format.
R16Big, // CoreGraphics-specific source format.
R32,
R32_S,
R16F,
R32F,
RA8,
RA16Little, // CoreGraphics-specific source format.
RA16Big, // CoreGraphics-specific source format.
RA16F,
RA32F,
AR8,
AR16Little, // CoreGraphics-specific source format.
AR16Big, // CoreGraphics-specific source format.
A8,
A16Little, // CoreGraphics-specific source format.
A16Big, // CoreGraphics-specific source format.
A16F,
A32F,
D16,
D32,
D32F,
DS24_8,
NumFormats
};
enum class Destination : uint8_t {
Offscreen,
DirectlyToHostWindow,
};
enum class ChannelBits : uint8_t {
Red = 1,
Green = 2,
Blue = 4,
Alpha = 8,
Depth = 16,
Stencil = 32,
RGB = Red | Green | Blue,
RGBA = RGB | Alpha,
DepthStencil = Depth | Stencil,
};
// Possible alpha operations that may need to occur during
// pixel packing. FIXME: kAlphaDoUnmultiply is lossy and must
// be removed.
enum AlphaOp : uint8_t {
DoNothing,
DoPremultiply,
DoUnmultiply,
};
enum class DOMSource : uint8_t {
Image,
Canvas,
Video,
DOMSourceNone,
};
#if USE(ANGLE)
enum {
// These constants are redefined here from ANGLE's OpenGL ES headers to
// provide a single place where multiple portions of platform code can
// reference them.
#if PLATFORM(MAC)
IOSurfaceTextureTarget = TEXTURE_RECTANGLE_ARB, // also GL_TEXTURE_RECTANGLE_ANGLE
IOSurfaceTextureTargetQuery = TEXTURE_BINDING_RECTANGLE_ARB,
EGLIOSurfaceTextureTarget = 0x345B, // EGL_TEXTURE_RECTANGLE_ANGLE
#else
IOSurfaceTextureTarget = TEXTURE_2D,
IOSurfaceTextureTargetQuery = TEXTURE_BINDING_2D,
EGLIOSurfaceTextureTarget = 0x305F, // EGL_TEXTURE_2D
#endif // PLATFORM(MAC)
};
#endif // USE(ANGLE)
virtual PlatformGraphicsContextGL platformGraphicsContextGL() const = 0;
virtual PlatformGLObject platformTexture() const = 0;
virtual PlatformLayer* platformLayer() const = 0;
ALWAYS_INLINE static bool hasAlpha(DataFormat format)
{
switch (format) {
case DataFormat::A8:
case DataFormat::A16F:
case DataFormat::A32F:
case DataFormat::RA8:
case DataFormat::AR8:
case DataFormat::RA16F:
case DataFormat::RA32F:
case DataFormat::RGBA8:
case DataFormat::BGRA8:
case DataFormat::ARGB8:
case DataFormat::ABGR8:
case DataFormat::RGBA16F:
case DataFormat::RGBA32F:
case DataFormat::RGBA4444:
case DataFormat::RGBA5551:
case DataFormat::RGBA8_S:
case DataFormat::RGBA16:
case DataFormat::RGBA16_S:
case DataFormat::RGBA32:
case DataFormat::RGBA32_S:
case DataFormat::RGBA2_10_10_10:
return true;
default:
return false;
}
}
ALWAYS_INLINE static bool hasColor(DataFormat format)
{
switch (format) {
case DataFormat::RGBA8:
case DataFormat::RGBA16F:
case DataFormat::RGBA32F:
case DataFormat::RGB8:
case DataFormat::RGB16F:
case DataFormat::RGB32F:
case DataFormat::BGR8:
case DataFormat::BGRA8:
case DataFormat::ARGB8:
case DataFormat::ABGR8:
case DataFormat::RGBA5551:
case DataFormat::RGBA4444:
case DataFormat::RGB565:
case DataFormat::R8:
case DataFormat::R16F:
case DataFormat::R32F:
case DataFormat::RA8:
case DataFormat::RA16F:
case DataFormat::RA32F:
case DataFormat::AR8:
case DataFormat::RGBA8_S:
case DataFormat::RGBA16:
case DataFormat::RGBA16_S:
case DataFormat::RGBA32:
case DataFormat::RGBA32_S:
case DataFormat::RGBA2_10_10_10:
case DataFormat::RGB8_S:
case DataFormat::RGB16:
case DataFormat::RGB16_S:
case DataFormat::RGB32:
case DataFormat::RGB32_S:
case DataFormat::RGB10F11F11F:
case DataFormat::RGB5999:
case DataFormat::RG8:
case DataFormat::RG8_S:
case DataFormat::RG16:
case DataFormat::RG16_S:
case DataFormat::RG32:
case DataFormat::RG32_S:
case DataFormat::RG16F:
case DataFormat::RG32F:
case DataFormat::R8_S:
case DataFormat::R16:
case DataFormat::R16_S:
case DataFormat::R32:
case DataFormat::R32_S:
return true;
default:
return false;
}
}
// Check if the format is one of the formats from the ImageData or DOM elements.
// The formats from ImageData is always RGBA8.
// The formats from DOM elements vary with Graphics ports. It can only be RGBA8 or BGRA8 for non-CG port while a little more for CG port.
static ALWAYS_INLINE bool srcFormatComesFromDOMElementOrImageData(DataFormat SrcFormat)
{
#if USE(CG)
#if CPU(BIG_ENDIAN)
return SrcFormat == DataFormat::RGBA8 || SrcFormat == DataFormat::ARGB8 || SrcFormat == DataFormat::RGB8
|| SrcFormat == DataFormat::RA8 || SrcFormat == DataFormat::AR8 || SrcFormat == DataFormat::R8 || SrcFormat == DataFormat::A8;
#else
// That LITTLE_ENDIAN case has more possible formats than BIG_ENDIAN case is because some decoded image data is actually big endian
// even on little endian architectures.
return SrcFormat == DataFormat::BGRA8 || SrcFormat == DataFormat::ABGR8 || SrcFormat == DataFormat::BGR8
|| SrcFormat == DataFormat::RGBA8 || SrcFormat == DataFormat::ARGB8 || SrcFormat == DataFormat::RGB8
|| SrcFormat == DataFormat::R8 || SrcFormat == DataFormat::A8
|| SrcFormat == DataFormat::RA8 || SrcFormat == DataFormat::AR8;
#endif
#else
return SrcFormat == DataFormat::BGRA8 || SrcFormat == DataFormat::RGBA8;
#endif
}
struct ActiveInfo {
String name;
GCGLenum type;
GCGLint size;
};
GraphicsContextGL(GraphicsContextGLAttributes, Destination = Destination::Offscreen, GraphicsContextGL* sharedContext = nullptr);
virtual ~GraphicsContextGL() = default;
// ========== WebGL 1 entry points.
virtual void activeTexture(GCGLenum texture) = 0;
virtual void attachShader(PlatformGLObject program, PlatformGLObject shader) = 0;
virtual void bindAttribLocation(PlatformGLObject, GCGLuint index, const String& name) = 0;
virtual void bindBuffer(GCGLenum target, PlatformGLObject) = 0;
virtual void bindFramebuffer(GCGLenum target, PlatformGLObject) = 0;
virtual void bindRenderbuffer(GCGLenum target, PlatformGLObject) = 0;
virtual void bindTexture(GCGLenum target, PlatformGLObject) = 0;
virtual void blendColor(GCGLclampf red, GCGLclampf green, GCGLclampf blue, GCGLclampf alpha) = 0;
virtual void blendEquation(GCGLenum mode) = 0;
virtual void blendEquationSeparate(GCGLenum modeRGB, GCGLenum modeAlpha) = 0;
virtual void blendFunc(GCGLenum sfactor, GCGLenum dfactor) = 0;
virtual void blendFuncSeparate(GCGLenum srcRGB, GCGLenum dstRGB, GCGLenum srcAlpha, GCGLenum dstAlpha) = 0;
virtual GCGLenum checkFramebufferStatus(GCGLenum target) = 0;
virtual void clear(GCGLbitfield mask) = 0;
virtual void clearColor(GCGLclampf red, GCGLclampf green, GCGLclampf blue, GCGLclampf alpha) = 0;
virtual void clearDepth(GCGLclampf depth) = 0;
virtual void clearStencil(GCGLint s) = 0;
virtual void colorMask(GCGLboolean red, GCGLboolean green, GCGLboolean blue, GCGLboolean alpha) = 0;
virtual void compileShader(PlatformGLObject) = 0;
virtual void copyTexImage2D(GCGLenum target, GCGLint level, GCGLenum internalformat, GCGLint x, GCGLint y, GCGLsizei width, GCGLsizei height, GCGLint border) = 0;
virtual void copyTexSubImage2D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLint x, GCGLint y, GCGLsizei width, GCGLsizei height) = 0;
virtual PlatformGLObject createBuffer() = 0;
virtual PlatformGLObject createFramebuffer() = 0;
virtual PlatformGLObject createProgram() = 0;
virtual PlatformGLObject createRenderbuffer() = 0;
virtual PlatformGLObject createShader(GCGLenum) = 0;
virtual PlatformGLObject createTexture() = 0;
virtual void cullFace(GCGLenum mode) = 0;
virtual void deleteBuffer(PlatformGLObject) = 0;
virtual void deleteFramebuffer(PlatformGLObject) = 0;
virtual void deleteProgram(PlatformGLObject) = 0;
virtual void deleteRenderbuffer(PlatformGLObject) = 0;
virtual void deleteShader(PlatformGLObject) = 0;
virtual void deleteTexture(PlatformGLObject) = 0;
virtual void depthFunc(GCGLenum func) = 0;
virtual void depthMask(GCGLboolean flag) = 0;
virtual void depthRange(GCGLclampf zNear, GCGLclampf zFar) = 0;
virtual void detachShader(PlatformGLObject, PlatformGLObject) = 0;
virtual void disable(GCGLenum cap) = 0;
virtual void disableVertexAttribArray(GCGLuint index) = 0;
virtual void drawArrays(GCGLenum mode, GCGLint first, GCGLsizei count) = 0;
virtual void drawElements(GCGLenum mode, GCGLsizei count, GCGLenum type, GCGLintptr offset) = 0;
virtual void enable(GCGLenum cap) = 0;
virtual void enableVertexAttribArray(GCGLuint index) = 0;
virtual void finish() = 0;
virtual void flush() = 0;
virtual void framebufferRenderbuffer(GCGLenum target, GCGLenum attachment, GCGLenum renderbuffertarget, PlatformGLObject) = 0;
virtual void framebufferTexture2D(GCGLenum target, GCGLenum attachment, GCGLenum textarget, PlatformGLObject, GCGLint level) = 0;
virtual void frontFace(GCGLenum mode) = 0;
virtual void generateMipmap(GCGLenum target) = 0;
virtual bool getActiveAttrib(PlatformGLObject program, GCGLuint index, ActiveInfo&) = 0;
virtual bool getActiveUniform(PlatformGLObject program, GCGLuint index, ActiveInfo&) = 0;
virtual void getAttachedShaders(PlatformGLObject program, GCGLsizei maxCount, GCGLsizei* count, PlatformGLObject* shaders) = 0;
virtual GCGLint getAttribLocation(PlatformGLObject, const String& name) = 0;
virtual void getBufferParameteriv(GCGLenum target, GCGLenum pname, GCGLint* value) = 0;
// getParameter
virtual String getString(GCGLenum name) = 0;
virtual void getFloatv(GCGLenum pname, GCGLfloat* value) = 0;
virtual void getIntegerv(GCGLenum pname, GCGLint* value) = 0;
virtual void getIntegeri_v(GCGLenum pname, GCGLuint index, GCGLint* value) = 0;
virtual void getInteger64v(GCGLenum pname, GCGLint64* value) = 0;
virtual void getInteger64i_v(GCGLenum pname, GCGLuint index, GCGLint64* value) = 0;
virtual void getProgramiv(PlatformGLObject program, GCGLenum pname, GCGLint* value) = 0;
virtual void getBooleanv(GCGLenum pname, GCGLboolean* value) = 0;
virtual GCGLenum getError() = 0;
// getFramebufferAttachmentParameter
virtual void getFramebufferAttachmentParameteriv(GCGLenum target, GCGLenum attachment, GCGLenum pname, GCGLint* value) = 0;
// getProgramParameter
virtual String getProgramInfoLog(PlatformGLObject) = 0;
// getRenderbufferParameter
virtual void getRenderbufferParameteriv(GCGLenum target, GCGLenum pname, GCGLint* value) = 0;
// getShaderParameter
virtual void getShaderiv(PlatformGLObject, GCGLenum pname, GCGLint* value) = 0;
virtual String getShaderInfoLog(PlatformGLObject) = 0;
virtual void getShaderPrecisionFormat(GCGLenum shaderType, GCGLenum precisionType, GCGLint* range, GCGLint* precision) = 0;
virtual String getShaderSource(PlatformGLObject) = 0;
// getTexParameter
virtual void getTexParameterfv(GCGLenum target, GCGLenum pname, GCGLfloat* value) = 0;
virtual void getTexParameteriv(GCGLenum target, GCGLenum pname, GCGLint* value) = 0;
// getUniform
virtual void getUniformfv(PlatformGLObject program, GCGLint location, GCGLfloat* value) = 0;
virtual void getUniformiv(PlatformGLObject program, GCGLint location, GCGLint* value) = 0;
virtual GCGLint getUniformLocation(PlatformGLObject, const String& name) = 0;
// getVertexAttrib
virtual void getVertexAttribfv(GCGLuint index, GCGLenum pname, GCGLfloat* value) = 0;
virtual void getVertexAttribiv(GCGLuint index, GCGLenum pname, GCGLint* value) = 0;
virtual GCGLsizeiptr getVertexAttribOffset(GCGLuint index, GCGLenum pname) = 0;
virtual void hint(GCGLenum target, GCGLenum mode) = 0;
virtual GCGLboolean isBuffer(PlatformGLObject) = 0;
virtual GCGLboolean isEnabled(GCGLenum cap) = 0;
virtual GCGLboolean isFramebuffer(PlatformGLObject) = 0;
virtual GCGLboolean isProgram(PlatformGLObject) = 0;
virtual GCGLboolean isRenderbuffer(PlatformGLObject) = 0;
virtual GCGLboolean isShader(PlatformGLObject) = 0;
virtual GCGLboolean isTexture(PlatformGLObject) = 0;
virtual void lineWidth(GCGLfloat) = 0;
virtual void linkProgram(PlatformGLObject) = 0;
virtual void pixelStorei(GCGLenum pname, GCGLint param) = 0;
virtual void polygonOffset(GCGLfloat factor, GCGLfloat units) = 0;
virtual void renderbufferStorage(GCGLenum target, GCGLenum internalformat, GCGLsizei width, GCGLsizei height) = 0;
virtual void sampleCoverage(GCGLclampf value, GCGLboolean invert) = 0;
virtual void scissor(GCGLint x, GCGLint y, GCGLsizei width, GCGLsizei height) = 0;
virtual void shaderSource(PlatformGLObject, const String& string) = 0;
virtual void stencilFunc(GCGLenum func, GCGLint ref, GCGLuint mask) = 0;
virtual void stencilFuncSeparate(GCGLenum face, GCGLenum func, GCGLint ref, GCGLuint mask) = 0;
virtual void stencilMask(GCGLuint mask) = 0;
virtual void stencilMaskSeparate(GCGLenum face, GCGLuint mask) = 0;
virtual void stencilOp(GCGLenum fail, GCGLenum zfail, GCGLenum zpass) = 0;
virtual void stencilOpSeparate(GCGLenum face, GCGLenum fail, GCGLenum zfail, GCGLenum zpass) = 0;
virtual void texParameterf(GCGLenum target, GCGLenum pname, GCGLfloat param) = 0;
virtual void texParameteri(GCGLenum target, GCGLenum pname, GCGLint param) = 0;
virtual void uniform1f(GCGLint location, GCGLfloat x) = 0;
virtual void uniform1fv(GCGLint location, GCGLsizei, const GCGLfloat* v) = 0;
virtual void uniform1i(GCGLint location, GCGLint x) = 0;
virtual void uniform1iv(GCGLint location, GCGLsizei, const GCGLint* v) = 0;
virtual void uniform2f(GCGLint location, GCGLfloat x, GCGLfloat y) = 0;
virtual void uniform2fv(GCGLint location, GCGLsizei, const GCGLfloat* v) = 0;
virtual void uniform2i(GCGLint location, GCGLint x, GCGLint y) = 0;
virtual void uniform2iv(GCGLint location, GCGLsizei, const GCGLint* v) = 0;
virtual void uniform3f(GCGLint location, GCGLfloat x, GCGLfloat y, GCGLfloat z) = 0;
virtual void uniform3fv(GCGLint location, GCGLsizei, const GCGLfloat* v) = 0;
virtual void uniform3i(GCGLint location, GCGLint x, GCGLint y, GCGLint z) = 0;
virtual void uniform3iv(GCGLint location, GCGLsizei, const GCGLint* v) = 0;
virtual void uniform4f(GCGLint location, GCGLfloat x, GCGLfloat y, GCGLfloat z, GCGLfloat w) = 0;
virtual void uniform4fv(GCGLint location, GCGLsizei, const GCGLfloat* v) = 0;
virtual void uniform4i(GCGLint location, GCGLint x, GCGLint y, GCGLint z, GCGLint w) = 0;
virtual void uniform4iv(GCGLint location, GCGLsizei, const GCGLint* v) = 0;
virtual void uniformMatrix2fv(GCGLint location, GCGLsizei, GCGLboolean transpose, const GCGLfloat* value) = 0;
virtual void uniformMatrix3fv(GCGLint location, GCGLsizei, GCGLboolean transpose, const GCGLfloat* value) = 0;
virtual void uniformMatrix4fv(GCGLint location, GCGLsizei, GCGLboolean transpose, const GCGLfloat* value) = 0;
virtual void useProgram(PlatformGLObject) = 0;
virtual void validateProgram(PlatformGLObject) = 0;
virtual void vertexAttrib1f(GCGLuint index, GCGLfloat x) = 0;
virtual void vertexAttrib1fv(GCGLuint index, const GCGLfloat* values) = 0;
virtual void vertexAttrib2f(GCGLuint index, GCGLfloat x, GCGLfloat y) = 0;
virtual void vertexAttrib2fv(GCGLuint index, const GCGLfloat* values) = 0;
virtual void vertexAttrib3f(GCGLuint index, GCGLfloat x, GCGLfloat y, GCGLfloat z) = 0;
virtual void vertexAttrib3fv(GCGLuint index, const GCGLfloat* values) = 0;
virtual void vertexAttrib4f(GCGLuint index, GCGLfloat x, GCGLfloat y, GCGLfloat z, GCGLfloat w) = 0;
virtual void vertexAttrib4fv(GCGLuint index, const GCGLfloat* values) = 0;
virtual void vertexAttribPointer(GCGLuint index, GCGLint size, GCGLenum type, GCGLboolean normalized, GCGLsizei stride, GCGLintptr offset) = 0;
virtual void viewport(GCGLint x, GCGLint y, GCGLsizei width, GCGLsizei height) = 0;
virtual void bufferData(GCGLenum target, GCGLsizeiptr size, GCGLenum usage) = 0;
virtual void bufferData(GCGLenum target, GCGLsizeiptr size, const void* data, GCGLenum usage) = 0;
virtual void bufferSubData(GCGLenum target, GCGLintptr offset, GCGLsizeiptr size, const void* data) = 0;
virtual void compressedTexImage2D(GCGLenum target, GCGLint level, GCGLenum internalformat, GCGLsizei width, GCGLsizei height, GCGLint border, GCGLsizei imageSize, const void* data) = 0;
virtual void compressedTexSubImage2D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLsizei width, GCGLsizei height, GCGLenum format, GCGLsizei imageSize, const void* data) = 0;
virtual void readPixels(GCGLint x, GCGLint y, GCGLsizei width, GCGLsizei height, GCGLenum format, GCGLenum type, void* data) = 0;
virtual bool texImage2D(GCGLenum target, GCGLint level, GCGLenum internalformat, GCGLsizei width, GCGLsizei height, GCGLint border, GCGLenum format, GCGLenum type, const void* pixels) = 0;
virtual void texSubImage2D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLsizei width, GCGLsizei height, GCGLenum format, GCGLenum type, const void* pixels) = 0;
virtual void drawArraysInstanced(GCGLenum mode, GCGLint first, GCGLsizei count, GCGLsizei primcount) = 0;
virtual void drawElementsInstanced(GCGLenum mode, GCGLsizei count, GCGLenum type, GCGLintptr offset, GCGLsizei primcount) = 0;
virtual void vertexAttribDivisor(GCGLuint index, GCGLuint divisor) = 0;
GraphicsContextGLAttributes contextAttributes() const { return m_attrs; }
void setContextAttributes(const GraphicsContextGLAttributes& attrs) { m_attrs = attrs; }
// VertexArrayOject calls
virtual PlatformGLObject createVertexArray() = 0;
virtual void deleteVertexArray(PlatformGLObject) = 0;
virtual GCGLboolean isVertexArray(PlatformGLObject) = 0;
virtual void bindVertexArray(PlatformGLObject) = 0;
#if USE(OPENGL) && ENABLE(WEBGL2)
virtual void primitiveRestartIndex(GCGLuint) = 0;
#endif
// Support for extensions. Returns a non-null object, though not
// all methods it contains may necessarily be supported on the
// current hardware. Must call ExtensionsGL::supports() to
// determine this.
virtual ExtensionsGL& getExtensions() = 0;
// ========== WebGL 2 entry points.
virtual void bufferData(GCGLenum target, const void* data, GCGLenum usage, GCGLuint srcOffset, GCGLuint length) = 0;
virtual void bufferSubData(GCGLenum target, GCGLintptr dstByteOffset, const void* srcData, GCGLuint srcOffset, GCGLuint length) = 0;
virtual void copyBufferSubData(GCGLenum readTarget, GCGLenum writeTarget, GCGLintptr readOffset, GCGLintptr writeOffset, GCGLsizeiptr size) = 0;
virtual void getBufferSubData(GCGLenum target, GCGLintptr srcByteOffset, const void* dstData, GCGLuint dstOffset, GCGLuint length) = 0;
virtual void* mapBufferRange(GCGLenum target, GCGLintptr offset, GCGLsizeiptr length, GCGLbitfield access) = 0;
virtual GCGLboolean unmapBuffer(GCGLenum target) = 0;
virtual void blitFramebuffer(GCGLint srcX0, GCGLint srcY0, GCGLint srcX1, GCGLint srcY1, GCGLint dstX0, GCGLint dstY0, GCGLint dstX1, GCGLint dstY1, GCGLbitfield mask, GCGLenum filter) = 0;
virtual void framebufferTextureLayer(GCGLenum target, GCGLenum attachment, PlatformGLObject texture, GCGLint level, GCGLint layer) = 0;
virtual void invalidateFramebuffer(GCGLenum target, const Vector<GCGLenum>& attachments) = 0;
virtual void invalidateSubFramebuffer(GCGLenum target, const Vector<GCGLenum>& attachments, GCGLint x, GCGLint y, GCGLsizei width, GCGLsizei height) = 0;
virtual void readBuffer(GCGLenum src) = 0;
// getInternalFormatParameter
virtual void getInternalformativ(GCGLenum target, GCGLenum internalformat, GCGLenum pname, GCGLsizei bufSize, GCGLint* params) = 0;
virtual void renderbufferStorageMultisample(GCGLenum target, GCGLsizei samples, GCGLenum internalformat, GCGLsizei width, GCGLsizei height) = 0;
virtual void texStorage2D(GCGLenum target, GCGLsizei levels, GCGLenum internalformat, GCGLsizei width, GCGLsizei height) = 0;
virtual void texStorage3D(GCGLenum target, GCGLsizei levels, GCGLenum internalformat, GCGLsizei width, GCGLsizei height, GCGLsizei depth) = 0;
virtual void texImage3D(GCGLenum target, GCGLint level, GCGLint internalformat, GCGLsizei width, GCGLsizei height, GCGLsizei depth, GCGLint border, GCGLenum format, GCGLenum type, GCGLintptr pboOffset) = 0;
virtual void texImage3D(GCGLenum target, GCGLint level, GCGLint internalformat, GCGLsizei width, GCGLsizei height, GCGLsizei depth, GCGLint border, GCGLenum format, GCGLenum type, const void* pixels) = 0;
virtual void texImage3D(GCGLenum target, GCGLint level, GCGLint internalformat, GCGLsizei width, GCGLsizei height, GCGLsizei depth, GCGLint border, GCGLenum format, GCGLenum type, const void* srcData, GCGLuint srcOffset) = 0;
virtual void texSubImage3D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLint zoffset, GCGLsizei width, GCGLsizei height, GCGLsizei depth, GCGLenum format, GCGLenum type, GCGLintptr pboOffset) = 0;
virtual void texSubImage3D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLint zoffset, GCGLsizei width, GCGLsizei height, GCGLsizei depth, GCGLenum format, GCGLenum type, const void* srcData, GCGLuint srcOffset) = 0;
virtual void copyTexSubImage3D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLint zoffset, GCGLint x, GCGLint y, GCGLsizei width, GCGLsizei height) = 0;
virtual void compressedTexImage3D(GCGLenum target, GCGLint level, GCGLenum internalformat, GCGLsizei width, GCGLsizei height, GCGLsizei depth, GCGLint border, GCGLsizei imageSize, GCGLintptr offset) = 0;
virtual void compressedTexImage3D(GCGLenum target, GCGLint level, GCGLenum internalformat, GCGLsizei width, GCGLsizei height, GCGLsizei depth, GCGLint border, const void* srcData, GCGLuint srcOffset, GCGLuint srcLengthOverride) = 0;
virtual void compressedTexSubImage3D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLint zoffset, GCGLsizei width, GCGLsizei height, GCGLsizei depth, GCGLenum format, GCGLsizei imageSize, GCGLintptr offset) = 0;
virtual void compressedTexSubImage3D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLint zoffset, GCGLsizei width, GCGLsizei height, GCGLsizei depth, GCGLenum format, const void* srcData, GCGLuint srcOffset, GCGLuint srcLengthOverride) = 0;
virtual GCGLint getFragDataLocation(PlatformGLObject program, const String& name) = 0;
virtual void uniform1ui(GCGLint location, GCGLuint v0) = 0;
virtual void uniform2ui(GCGLint location, GCGLuint v0, GCGLuint v1) = 0;
virtual void uniform3ui(GCGLint location, GCGLuint v0, GCGLuint v1, GCGLuint v2) = 0;
virtual void uniform4ui(GCGLint location, GCGLuint v0, GCGLuint v1, GCGLuint v2, GCGLuint v3) = 0;
virtual void uniform1uiv(GCGLint location, const GCGLuint* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniform2uiv(GCGLint location, const GCGLuint* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniform3uiv(GCGLint location, const GCGLuint* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniform4uiv(GCGLint location, const GCGLuint* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniformMatrix2x3fv(GCGLint location, GCGLboolean transpose, const GCGLfloat* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniformMatrix3x2fv(GCGLint location, GCGLboolean transpose, const GCGLfloat* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniformMatrix2x4fv(GCGLint location, GCGLboolean transpose, const GCGLfloat* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniformMatrix4x2fv(GCGLint location, GCGLboolean transpose, const GCGLfloat* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniformMatrix3x4fv(GCGLint location, GCGLboolean transpose, const GCGLfloat* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniformMatrix4x3fv(GCGLint location, GCGLboolean transpose, const GCGLfloat* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void vertexAttribI4i(GCGLuint index, GCGLint x, GCGLint y, GCGLint z, GCGLint w) = 0;
virtual void vertexAttribI4iv(GCGLuint index, const GCGLint* values) = 0;
virtual void vertexAttribI4ui(GCGLuint index, GCGLuint x, GCGLuint y, GCGLuint z, GCGLuint w) = 0;
virtual void vertexAttribI4uiv(GCGLuint index, const GCGLuint* values) = 0;
virtual void vertexAttribIPointer(GCGLuint index, GCGLint size, GCGLenum type, GCGLsizei stride, GCGLintptr offset) = 0;
virtual void drawRangeElements(GCGLenum mode, GCGLuint start, GCGLuint end, GCGLsizei count, GCGLenum type, GCGLintptr offset) = 0;
virtual void drawBuffers(const Vector<GCGLenum>& buffers) = 0;
virtual void clearBufferiv(GCGLenum buffer, GCGLint drawbuffer, const GCGLint* values, GCGLuint srcOffset) = 0;
virtual void clearBufferuiv(GCGLenum buffer, GCGLint drawbuffer, const GCGLuint* values, GCGLuint srcOffset) = 0;
virtual void clearBufferfv(GCGLenum buffer, GCGLint drawbuffer, const GCGLfloat* values, GCGLuint srcOffset) = 0;
virtual void clearBufferfi(GCGLenum buffer, GCGLint drawbuffer, GCGLfloat depth, GCGLint stencil) = 0;
virtual PlatformGLObject createQuery() = 0;
virtual void deleteQuery(PlatformGLObject query) = 0;
virtual GCGLboolean isQuery(PlatformGLObject query) = 0;
virtual void beginQuery(GCGLenum target, PlatformGLObject query) = 0;
virtual void endQuery(GCGLenum target) = 0;
virtual PlatformGLObject getQuery(GCGLenum target, GCGLenum pname) = 0;
// getQueryParameter
virtual void getQueryObjectuiv(PlatformGLObject query, GCGLenum pname, GCGLuint* value) = 0;
virtual PlatformGLObject createSampler() = 0;
virtual void deleteSampler(PlatformGLObject sampler) = 0;
virtual GCGLboolean isSampler(PlatformGLObject sampler) = 0;
virtual void bindSampler(GCGLuint unit, PlatformGLObject sampler) = 0;
virtual void samplerParameteri(PlatformGLObject sampler, GCGLenum pname, GCGLint param) = 0;
virtual void samplerParameterf(PlatformGLObject sampler, GCGLenum pname, GCGLfloat param) = 0;
// getSamplerParameter
virtual void getSamplerParameterfv(PlatformGLObject sampler, GCGLenum pname, GCGLfloat* value) = 0;
virtual void getSamplerParameteriv(PlatformGLObject sampler, GCGLenum pname, GCGLint* value) = 0;
virtual PlatformGLObject fenceSync(GCGLenum condition, GCGLbitfield flags) = 0;
virtual GCGLboolean isSync(PlatformGLObject sync) = 0;
virtual void deleteSync(PlatformGLObject sync) = 0;
virtual GCGLenum clientWaitSync(PlatformGLObject sync, GCGLbitfield flags, GCGLuint64 timeout) = 0;
virtual void waitSync(PlatformGLObject sync, GCGLbitfield flags, GCGLint64 timeout) = 0;
// getSyncParameter
virtual void getSynciv(PlatformGLObject sync, GCGLenum pname, GCGLsizei bufSize, GCGLint* value) = 0;
virtual PlatformGLObject createTransformFeedback() = 0;
virtual void deleteTransformFeedback(PlatformGLObject id) = 0;
virtual GCGLboolean isTransformFeedback(PlatformGLObject id) = 0;
virtual void bindTransformFeedback(GCGLenum target, PlatformGLObject id) = 0;
virtual void beginTransformFeedback(GCGLenum primitiveMode) = 0;
virtual void endTransformFeedback() = 0;
virtual void transformFeedbackVaryings(PlatformGLObject program, const Vector<String>& varyings, GCGLenum bufferMode) = 0;
virtual void getTransformFeedbackVarying(PlatformGLObject program, GCGLuint index, ActiveInfo&) = 0;
virtual void pauseTransformFeedback() = 0;
virtual void resumeTransformFeedback() = 0;
virtual void bindBufferBase(GCGLenum target, GCGLuint index, PlatformGLObject buffer) = 0;
virtual void bindBufferRange(GCGLenum target, GCGLuint index, PlatformGLObject buffer, GCGLintptr offset, GCGLsizeiptr size) = 0;
// getIndexedParameter -> use getParameter calls above.
virtual Vector<GCGLuint> getUniformIndices(PlatformGLObject program, const Vector<String>& uniformNames) = 0;
virtual void getActiveUniforms(PlatformGLObject program, const Vector<GCGLuint>& uniformIndices, GCGLenum pname, Vector<GCGLint>& params) = 0;
virtual GCGLuint getUniformBlockIndex(PlatformGLObject program, const String& uniformBlockName) = 0;
// getActiveUniformBlockParameter
virtual void getActiveUniformBlockiv(PlatformGLObject program, GCGLuint uniformBlockIndex, GCGLenum pname, GCGLint* params) = 0;
virtual String getActiveUniformBlockName(PlatformGLObject program, GCGLuint uniformBlockIndex) = 0;
virtual void uniformBlockBinding(PlatformGLObject program, GCGLuint uniformBlockIndex, GCGLuint uniformBlockBinding) = 0;
virtual void texSubImage2D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLsizei width, GCGLsizei height, GCGLenum format, GCGLenum type, GCGLintptr pboOffset) = 0;
virtual void texSubImage2D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLsizei width, GCGLsizei height, GCGLenum format, GCGLenum type, const void* srcData, GCGLuint srcOffset) = 0;
virtual void compressedTexImage2D(GCGLenum target, GCGLint level, GCGLenum internalformat, GCGLsizei width, GCGLsizei height, GCGLint border, GCGLsizei imageSize, GCGLintptr offset) = 0;
virtual void compressedTexImage2D(GCGLenum target, GCGLint level, GCGLenum internalformat, GCGLsizei width, GCGLsizei height, GCGLint border, const void* srcData, GCGLuint srcOffset, GCGLuint srcLengthOverride) = 0;
virtual void compressedTexSubImage2D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLsizei width, GCGLsizei height, GCGLenum format, GCGLsizei imageSize, GCGLintptr offset) = 0;
virtual void compressedTexSubImage2D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLsizei width, GCGLsizei height, GCGLenum format, const void* srcData, GCGLuint srcOffset, GCGLuint srcLengthOverride) = 0;
virtual void uniform1fv(GCGLint location, const GCGLfloat* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniform2fv(GCGLint location, const GCGLfloat* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniform3fv(GCGLint location, const GCGLfloat* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniform4fv(GCGLint location, const GCGLfloat* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniform1iv(GCGLint location, const GCGLint* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniform2iv(GCGLint location, const GCGLint* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniform3iv(GCGLint location, const GCGLint* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniform4iv(GCGLint location, const GCGLint* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniformMatrix2fv(GCGLint location, GCGLboolean transpose, const GCGLfloat* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniformMatrix3fv(GCGLint location, GCGLboolean transpose, const GCGLfloat* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void uniformMatrix4fv(GCGLint location, GCGLboolean transpose, const GCGLfloat* data, GCGLuint srcOffset, GCGLuint srcLength) = 0;
virtual void readPixels(GCGLint x, GCGLint y, GCGLsizei width, GCGLsizei height, GCGLenum format, GCGLenum type, GCGLintptr offset) = 0;
virtual void readPixels(GCGLint x, GCGLint y, GCGLsizei width, GCGLsizei height, GCGLenum format, GCGLenum type, const void* dstData, GCGLuint dstOffset) = 0;
// ========== Non-WebGL based entry points.
static unsigned getClearBitsByAttachmentType(GCGLenum);
static unsigned getClearBitsByFormat(GCGLenum);
static uint8_t getChannelBitsByFormat(GCGLenum);
Destination destination() const { return m_destination; }
private:
GraphicsContextGLAttributes m_attrs;
Destination m_destination;
};
} // namespace WebCore
#endif